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Twist drill bit assortment HSS DIN 340 type RN 130° 19 pcs.

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Twist drill bit assortment HSS DIN 340 type RN 130° 19 pcs.

Long steel precision drill bits for deep drilling in steel up to 850 N/mm² strength and in cast iron. Available in ORSY® system cassette.

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20 % lower infeed force compared to conventional drill bits as well as quicker progress and a more gentle way of working


Optimised drill-point cross thinning



Precise drilling without centring, even on curved surfaces


Optimised split point



Ideal for core drill holes


Very precise point grinding for precise boreholes



Excellent adhesive properties of cooling lubricants and a reduced tendency towards the build-up of material deposits


Vaporised surface



Suitable for the ORSY® system, compact and practical system cassette with useful details, such as stackability, optimised joint and simple opening

Notice

When using the twist drill bits according to DIN 340, prior drilling of a centring bore is recommended. Our NC spotting drills (art. no. 063644...) are ideal for this purpose.